Montana, 2015
The year's recorded storm events, federal disaster declarations and flood insurance claims.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2015 was 787 against 1,311 in 2014.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 11 Aug 2015 | Mineral | Thunderstorm Wind | 58 mph | $2,000 | 1 | 3 |
| 24 Nov 2015 | Forecast zone | Winter Storm | — | $15,000 | 1 | — |
| 28 Mar 2015 | Forecast zone | Wildfire | — | — | 1 | — |
| 5 Jan 2015 | Forecast zone | Heavy Snow | — | — | 1 | — |
| 28 Mar 2015 | Forecast zone | Dense Smoke | — | — | 1 | — |
| 19 Dec 2015 | Forecast zone | Avalanche | — | — | 1 | — |
| 30 Jun 2015 | Richland | Tornado | EF1 | $50,000 | — | 1 |
| 2 Mar 2015 | Forecast zone | Winter Weather | — | — | — | 1 |
| 27 Jul 2015 | Dawson | Thunderstorm Wind | 120 mph | $2,500,000 | — | — |
| 10 Aug 2015 | Missoula | Thunderstorm Wind | 74 mph | $1,000,000 | — | — |
| 24 Nov 2015 | Forecast zone | Winter Storm | — | $120,000 | — | — |
| 1 Jul 2015 | McCone | Thunderstorm Wind | 96 mph | $100,000 | — | — |
| 19 Jun 2015 | Richland | Thunderstorm Wind | 96 mph | $100,000 | — | — |
| 17 Nov 2015 | Forecast zone | High Wind | 59 mph | $100,000 | — | — |
| 4 Jul 2015 | Phillips | Thunderstorm Wind | 100 mph | $80,000 | — | — |
| 24 Nov 2015 | Forecast zone | Winter Storm | — | $80,000 | — | — |
| 17 Nov 2015 | Forecast zone | High Wind | 60 mph | $60,000 | — | — |
| 17 Nov 2015 | Forecast zone | High Wind | 60 mph | $50,000 | — | — |
| 21 Jun 2015 | Fallon | Tornado | EF0 | — | — | — |
| 19 Jun 2015 | Carter | Tornado | EF0 | — | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2015
No declaration touching Montana was made in 2015.
Flood insurance claims with a 2015 date of loss
8 NFIP claims, 4 of them paid, for $23,373.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (29 Sep 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 30 Sep 2026.